Home / 137,767,254.80-206,650,882.20-115,260,400.40

Finding the Fourth Proportional to 137,767,254.80, 206,650,882.20 and 115,260,400.40

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Solution

The fourth proportional to 137,767,254.80, 206,650,882.20 and 115,260,400.40 is: 172,890,600.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,767,254.80 : 206,650,882.20 = 115,260,400.40 : x
  2. Step 2: Convert to fraction form
    137,767,254.80/206,650,882.20 = 115,260,400.40/x
  3. Step 3: Cross multiply
    137,767,254.80x = 206,650,882.20 × 115,260,400.40
  4. Step 4: Simplify right side
    137,767,254.80x = 23,818,663,425,385,232
  5. Step 5: Solve for x
    x = 23,818,663,425,385,232/137,767,254.80
  6. Step 6: Final answer
    x = 172,890,600.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.